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Gadolinium(III) bromide

Names
IUPAC name Gadolinium(III) bromide
Other names Gadolinium tribromide Gadolinium bromide
Identifiers
CAS Number	13818-75-2
3D model (JSmol)	Interactive image Interactive image
ChemSpider	75576
ECHA InfoCard	100.034.072
EC Number	237-494-4
PubChem CID	83754
CompTox Dashboard (EPA)	DTXSID9065653
InChI InChI=1S/3BrH.Gd/h3*1H;/q;;;+3/p-3Key: KGOKDPWKDBWITQ-UHFFFAOYSA-K
SMILES Br(Br)Br ...
Properties
Chemical formula	GdBr3
Molar mass	396.96g
Density	2.844 g/cm<
Melting point	770 °C (1,420 °F; 1,040 K)
Boiling point	1,455 °C (2,651 °F; 1,728 K)
Solubility in water	Soluble
Solubility	Also soluble in THF, 1,2-Diethoxyethane, p-dioxane, and alkyl amine.
Hazards
GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H315, H319, H335
Precautionary statements	P261, P305+P351+P338
Related compounds
Other anions	Gadolinium(III) fluoride Gadolinium(III) chloride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references

Gadolinium(III) bromide is a crystalline compound of gadolinium atoms and three bromine atoms. This salt is hygroscopic.

Preparation

Gadolinium(III) bromide can be obtained by the reaction between gadolinium and hydrobromic acid:

2 Gd + 6 HBr → 2 GdBr₃ + 3 H₂

The anhydrous form can be obtained by heating the hydrate with ammonium bromide.

References

1. ^ "Gadolinium(III) bromide anhydrous, powder, 99.99% trace rare earth metals basis | Sigma-Aldrich". www.sigmaaldrich.com. Retrieved 21 December 2016.
2. ^ "13818-75-2 - Gadolinium(III) bromide, ultra dry, 99.99% (metals basis) - 43673 - Alfa Aesar". www.alfa.com. Retrieved 21 December 2016.
3. ^ Georg Brauer (Hrsg.), unter Mitarbeit von Marianne Baudler u. a.: Handbuch der Präparativen Anorganischen Chemie. 3., umgearbeitete Auflage. Band I, Ferdinand Enke, Stuttgart 1975, ISBN 3-432-02328-6, S. 1077.

• Bromides
• Gadolinium compounds
• Lanthanide halides